227232666 has 48 divisors (see below), whose sum is σ = 534992640. Its totient is φ = 69439680.

The previous prime is 227232641. The next prime is 227232671. The reversal of 227232666 is 666232722.

It is a self number, because there is not a number n which added to its sum of digits gives 227232666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115 + ... + 21318.

It is an arithmetic number, because the mean of its divisors is an integer number (11145680).

Almost surely, 2^227232666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227232666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267496320).

227232666 is an abundant number, since it is smaller than the sum of its proper divisors (307759974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227232666 is a wasteful number, since it uses less digits than its factorization.

227232666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21491 (or 21488 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 227232666 is about 15074.2384882288. The cubic root of 227232666 is about 610.2253632943.

The spelling of 227232666 in words is "two hundred twenty-seven million, two hundred thirty-two thousand, six hundred sixty-six".